Ecosystems
- 			 Ecosystems EcosystemsAnother World Hides inside Coral ReefsThe first systematic survey of crevices inside Red Sea reefs reveals abundant filter feeders that may capture significant nutrients for the reef. By Susan Milius
- 			 Ecosystems EcosystemsFierce invader steals nests from a native fishThe round goby, a Eurasian fish that has invaded the Great Lakes, is causing the decline of the mottled sculpin by displacing the native from its spawning sites. By Ben Harder
- 			 Ecosystems EcosystemsStreamers could save birds from hooksA test on active longline fishing boats finds that an inexpensive array of streamers can reduce accidental deaths of seabirds by more than 90 percent. By Susan Milius
- 			 Ecosystems EcosystemsWanted: Reef CleanersNearly 18 years after a near total die-off of algae-grazing urchins in the Caribbean, those herbivores are poised for a comeback—which could help save area corals. By Janet Raloff
- 			 Ecosystems EcosystemsMarine plankton put nitrogen in a fixNew genetic analyses of tropical marine microorganisms hint that some species are converting significant amounts of atmospheric nitrogen into nutrients, helping to fortify the base of the ocean's food pyramid. By Sid Perkins
- 			 Ecosystems EcosystemsFish stocking may transmit toad diseaseHatchery-raised trout can transfer a deadly fungus to western toads, bolstering the view that fish stocking may play a role in amphibian population declines. 
- 			 Ecosystems EcosystemsParrot survey finds poaching but also hopeThe largest review yet of wild parrot nesting finds poaching worrisomely frequent but also sees cause for hope in the efects of a U.S. protection law. By Susan Milius
- 			 Ecosystems EcosystemsHurricanes’ full havoc yet to be feltWhen Hurricanes Dennis, Floyd, and Irene pummelled North Carolina in the fall of 1999, they delivered a three-punch sequence that may, for years to come, disrupt fishing in the Atlantic Ocean. By Sid Perkins
- 			 Ecosystems EcosystemsUnderwater RefugeEfforts are under way to greatly expand coastal no-fishing zones. By Janet Raloff
- 			 Ecosystems EcosystemsFish Epidemic Traces to Novel GermA new mycobacterium, related to the one causing tuberculosis, is responsible for a mysterious epidemic sickening some of the Chesapeake Bay's most prized fish. By Janet Raloff